mirror of
https://github.com/AdAstra-LD/DS-Pokemon-Rom-Editor.git
synced 2026-05-17 18:12:39 -05:00
666 lines
25 KiB
C#
666 lines
25 KiB
C#
/*
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* This file is part of NSMB Editor 5.
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*
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* NSMB Editor 5 is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* NSMB Editor 5 is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with NSMB Editor 5. If not, see <http://www.gnu.org/licenses/>.
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*/
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using System;
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using System.Collections.Generic;
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using System.Text;
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using NSMBe4.DSFileSystem;
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using System.IO;
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using System.Runtime.InteropServices;
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/**
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* This class handles internal NSMB-specific data in the ROM.
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* Right now it can decompress the Overlay data and read
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* data from several tables contained in the ROM.
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*
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* Data description about overlay 0: (From an old text file)
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* 76 max tilesets. Each table is 0x130 big.
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*
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* 2F8E4: Object definition indexes (unt+hd) table
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* 2FA14: Object definitions (unt) table
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* 2FB44: Tile behaviours (chk) table
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* 2FC74: Animated tileset graphics (ncg) table
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* 2FDA4: Jyotyu tile behaviour file
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* 30D74: Background graphics (ncg) table
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* 30EA4: Tileset graphics (ncg) table
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* 30FD4: Foreground graphics (ncg) table
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* 31104: Foreground design (nsc) table
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* 31234: Background design (nsc) table
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* 31364: Background palette (ncl) table
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* 31494: Tileset palette (ncl) table
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* 315C4: Foreground palette (ncl) table
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* 316F4: Map16 (pnl) table
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*
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**/
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namespace NSMBe4
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{
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public static class ROM
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{
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public static byte[] Overlay0;
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//public static NitroROMFilesystem FS;
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public static string filename;
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public static System.IO.FileInfo romfile;
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public static Dictionary<int, List<string>> descriptions;
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public static string DescriptionPath;
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/*public static void load(String filename)
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{
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ROM.filename = filename;
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FS = new NitroROMFilesystem(filename);
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romfile = new System.IO.FileInfo(filename);
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LoadDescriptions();
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LoadOverlay0();
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if (Overlay0 != null)
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{
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if (Overlay0[28] == 0x84)
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Region = Origin.US;
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else if (Overlay0[28] == 0x64)
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Region = Origin.EU;
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else if (Overlay0[28] == 0x04)
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Region = Origin.JP;
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else if (Overlay0[28] == 0xC4)
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Region = Origin.KR;
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else
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{
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Region = Origin.US;
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System.Windows.Forms.MessageBox.Show(LanguageManager.Get("General", "UnknownRegion"), LanguageManager.Get("General", "Warning"), System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Warning);
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}
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}
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else
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{
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Region = Origin.US;
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System.Windows.Forms.MessageBox.Show(LanguageManager.Get("General", "UnknownRegion"), LanguageManager.Get("General", "Warning"), System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Warning);
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}
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// SaveOverlay0();
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}*/
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//public static void close()
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//{
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// if (FS == null) return;
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// FS.close();
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//}
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/*public static void SaveOverlay0()
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{
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OverlayFile ov = FS.arm9ovs[0];
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ov.decompress();
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ov.beginEdit(FS);
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ov.replace(Overlay0, FS);
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ov.endEdit(FS);
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}*/
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/*public static void LoadOverlay0()
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{
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if (FS.arm9ovs.Length == 0)
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return;
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OverlayFile ov = FS.arm9ovs[0];
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ov.decompress();
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Overlay0 = ov.getContents();
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}*/
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public static void LoadDescriptions()
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{
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DescriptionPath = filename.Substring(0, filename.LastIndexOf('.') + 1) + "txt";
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descriptions = new Dictionary<int, List<string>>();
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int lineNum = 0;
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try
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{
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if (!System.IO.File.Exists(DescriptionPath)) return;
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System.IO.StreamReader s = new System.IO.StreamReader(DescriptionPath);
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List<string> curList = null;
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while (!s.EndOfStream)
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{
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lineNum++;
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string line = s.ReadLine();
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if (line != "")
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{
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if (line.StartsWith("["))
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{
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int num = int.Parse(line.Substring(1, line.Length - 2));
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descriptions.Add(num, new List<string>());
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curList = descriptions[num];
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}
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else if (curList != null)
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{
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curList.Add(line);
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}
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}
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}
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s.Close();
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}
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catch (Exception ex)
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{
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System.Windows.Forms.MessageBox.Show("An error occurred while reading tileset descriptions on line " + lineNum.ToString() + ".\n\nThe original error message was:\n" + ex.Message);
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}
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}
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public enum Origin
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{
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US = 0, EU = 1, JP = 2, KR = 3
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}
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public static Origin Region = Origin.US;
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public enum Data : int
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{//
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Number_FileOffset = 0,
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Table_TS_UNT_HD = 1,
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Table_TS_UNT = 2,
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Table_TS_CHK = 3,
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Table_TS_ANIM_NCG = 4,
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Table_BG_NCG = 5,
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Table_TS_NCG = 6,
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Table_FG_NCG = 7,
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Table_FG_NSC = 8,
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Table_BG_NSC = 9,
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Table_BG_NCL = 10,
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Table_TS_NCL = 11,
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Table_FG_NCL = 12,
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Table_TS_PNL = 13,
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Table_Jyotyu_NCL = 14,
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File_Jyotyu_CHK = 15,
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File_Modifiers = 16,
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Table_Sprite_CLASSID = 17,
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}
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public static int[,] Offsets = {
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{131, 135, 131, 131}, //File Offset (Overlay Count)
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{0x2F8E4, 0x2F0F8, 0x2ECE4, 0x2EDA4}, //TS_UNT_HD
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{0x2FA14, 0x2F228, 0x2EE14, 0x2EED4}, //TS_UNT
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{0x2FB44, 0x2F358, 0x2EF44, 0x2F004}, //TS_CHK
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{0x2FC74, 0x2F488, 0x2F074, 0x2F134}, //TS_ANIM_NCG
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{0x30D74, 0x30588, 0x30174, 0x30234}, //BG_NCG
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{0x30EA4, 0x306B8, 0x302A4, 0x30364}, //TS_NCG
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{0x30FD4, 0x307E8, 0x303D4, 0x30494}, //FG_NCG
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{0x31104, 0x30918, 0x30504, 0x305C4}, //FG_NSC
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{0x31234, 0x30A48, 0x30634, 0x306F4}, //BG_NSC
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{0x31364, 0x30B78, 0x30764, 0x30824}, //BG_NCL
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{0x31494, 0x30CA8, 0x30894, 0x30954}, //TS_NCL
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{0x315C4, 0x30DD8, 0x309C4, 0x30A84}, //FG_NCL
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{0x316F4, 0x30F08, 0x30AF4, 0x30BB4}, //TS_PNL
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{0x30CD8, 0x304EC, 0x300D8, 0x30198}, //Jyotyu_NCL
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{0x2FDA4, 0x2F5B8, 0x2F1A4, 0x2FC74}, //Jyotyu_CHK
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{0x2C930, 0x2BDF0, 0x2BD30, 0x2BDF0}, //Modifiers
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{0x29BD8, 0x00000, 0x00000, 0x00000}, //Sprite Class IDs
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{0x2CBBC, 0, 0, 0}, //weird table¿?
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};
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public static int[] FileSizes = {
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0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, //Don't include tables
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0x400, //Jyotyu_CHK
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0x288, //Modifiers
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};
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public static ushort GetFileIDFromTable(int id, Data datatype)
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{
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return GetFileIDFromTable(id, GetOffset(datatype));
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}
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public static ushort GetFileIDFromTable(int id, int tableoffset)
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{
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int off = tableoffset + (id << 2);
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return (ushort)((Overlay0[off] | (Overlay0[off + 1] << 8)) + GetOffset(Data.Number_FileOffset));
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}
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public static ushort GetClassIDFromTable(int id)
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{
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int off = GetOffset(Data.Table_Sprite_CLASSID) + (id << 1);
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return (ushort)((Overlay0[off] | (Overlay0[off + 1] << 8)));
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}
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public static void SetFileIDFromTable(int id, Data datatype, ushort fid)
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{
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SetFileIDFromTable(id, GetOffset(datatype), fid);
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}
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public static string getDataForSprite(int id)
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{
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int offs = 0x2CBBC + id * 20;
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string s = "";
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for (int i = 0; i < 20; i++)
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s += String.Format("{0:X2}", Overlay0[offs++]) + " ";
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return s;
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}
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public static void SetFileIDFromTable(int id, int tableoffset, ushort fid)
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{
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int off = tableoffset + (id << 2);
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fid -= (ushort)GetOffset(Data.Number_FileOffset);
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Overlay0[off] = (byte)(fid & 0xFF);
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Overlay0[off + 1] = (byte)(fid >> 8);
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}
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public static int GetOffset(Data datatype)
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{
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return Offsets[(int)datatype, (int)Region];
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}
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public static byte[] GetInlineFile(Data datatype)
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{
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byte[] output = new byte[FileSizes[(int)datatype]];
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Array.Copy(Overlay0, GetOffset(datatype), output, 0, output.Length);
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return output;
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}
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//public static void ReplaceInlineFile(Data datatype, byte[] NewFile)
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//{
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// Array.Copy(NewFile, 0, Overlay0, GetOffset(datatype), NewFile.Length);
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// SaveOverlay0();
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//}
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public static byte[] decompressOverlay(byte[] sourcedata)
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{
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uint DataVar1, DataVar2;
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//uint last 8-5 bytes
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DataVar1 = (uint)(sourcedata[sourcedata.Length - 8] | (sourcedata[sourcedata.Length - 7] << 8) | (sourcedata[sourcedata.Length - 6] << 16) | (sourcedata[sourcedata.Length - 5] << 24));
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//uint last 4 bytes
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DataVar2 = (uint)(sourcedata[sourcedata.Length - 4] | (sourcedata[sourcedata.Length - 3] << 8) | (sourcedata[sourcedata.Length - 2] << 16) | (sourcedata[sourcedata.Length - 1] << 24));
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byte[] memory = new byte[sourcedata.Length + DataVar2];
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sourcedata.CopyTo(memory, 0);
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uint r0, r1, r2, r3, r5, r6, r7, r12;
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bool N, V;
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r0 = (uint)sourcedata.Length;
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if (r0 == 0)
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{
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return null;
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}
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r1 = DataVar1;
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r2 = DataVar2;
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r2 = r0 + r2; //length + datavar2 -> decompressed length
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r3 = r0 - (r1 >> 0x18); //delete the latest 3 bits??
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r1 &= 0xFFFFFF; //save the latest 3 bits
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r1 = r0 - r1;
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a958:
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if (r3 <= r1)
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{ //if r1 is 0 they will be equal
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goto a9B8; //return the memory buffer
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}
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r3 -= 1;
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r5 = memory[r3];
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r6 = 8;
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a968:
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SubS(out r6, r6, 1, out N, out V);
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if (N != V)
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{
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goto a958;
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}
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if ((r5 & 0x80) != 0)
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{
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goto a984;
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}
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r3 -= 1;
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r0 = memory[r3];
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r2 -= 1;
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memory[r2] = (byte)r0;
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goto a9AC;
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a984:
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r3 -= 1;
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r12 = memory[r3];
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r3 -= 1;
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r7 = memory[r3];
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r7 |= (r12 << 8);
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r7 &= 0xFFF;
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r7 += 2;
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r12 += 0x20;
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a99C:
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r0 = memory[r2 + r7];
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r2 -= 1;
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memory[r2] = (byte)r0;
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SubS(out r12, r12, 0x10, out N, out V);
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if (N == V)
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{
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goto a99C;
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}
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a9AC:
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r5 <<= 1;
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if (r3 > r1)
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{
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goto a968;
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}
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a9B8:
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return memory;
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}
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private static void SubS(out uint dest, uint v1, uint v2, out bool N, out bool V)
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{
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dest = v1 - v2;
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N = (dest & 2147483648) != 0;
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V = ((((v1 & 2147483648) != 0) && ((v2 & 2147483648) == 0) && ((dest & 2147483648) == 0)) || ((v1 & 2147483648) == 0) && ((v2 & 2147483648) != 0) && ((dest & 2147483648) != 0));
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}
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static private unsafe int[] Search(byte* source, int position, int lenght) //Function taken from Nintenlord's compressor. All credits for this code goes to Nintenlord!
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{
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int SlidingWindowSize = 4096;
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int ReadAheadBufferSize = 18;
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if (position >= lenght)
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return new int[2] { -1, 0 };
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if ((position < 2) || ((lenght - position) < 2))
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return new int[2] { 0, 0 };
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List<int> results = new List<int>();
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for (int i = 1; (i < SlidingWindowSize) && (i < position); i++)
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{
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if (source[position - (i + 1)] == source[position])
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{
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results.Add(i + 1);
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}
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}
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if (results.Count == 0)
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return new int[2] { 0, 0 };
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int amountOfBytes = 0;
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bool Continue = true;
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while (amountOfBytes < ReadAheadBufferSize && Continue)
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{
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amountOfBytes++;
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for (int i = results.Count - 1; i >= 0; i--)
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{
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if (source[position + amountOfBytes] != source[position - results[i] + (amountOfBytes % results[i])])
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{
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if (results.Count > 1)
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results.RemoveAt(i);
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else
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Continue = false;
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}
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}
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}
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return new int[2] { amountOfBytes, results[0] }; //lenght of data is first, then position
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}
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static public unsafe byte[] LZ77_Compress(byte[] source, bool header = false)//Function taken from Nintenlord's compressor. All credits for this code goes to Nintenlord!
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{
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fixed (byte* pointer = &source[0])
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{
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return Compress(pointer, source.Length, header);
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}
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}
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static public unsafe byte[] Compress(byte* source, int lenght, bool header = false) //Function taken from Nintenlord's compressor. All credits for this code goes to Nintenlord!
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{
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int position = 0;
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int BlockSize = 8;
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List<byte> CompressedData = new List<byte>();
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if (header) //0x37375A4C
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{
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CompressedData.Add(0x4C);
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CompressedData.Add(0x5A);
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CompressedData.Add(0x37);
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CompressedData.Add(0x37);
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}
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CompressedData.Add(0x10);
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{
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byte* pointer = (byte*)&lenght;
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for (int i = 0; i < 3; i++)
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CompressedData.Add(*(pointer++));
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}
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while (position < lenght)
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{
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byte isCompressed = 0;
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List<byte> tempList = new List<byte>();
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for (int i = 0; i < BlockSize; i++)
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{
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int[] searchResult = Search(source, position, lenght);
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if (searchResult[0] > 2)
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{
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byte add = (byte)((((searchResult[0] - 3) & 0xF) << 4) + (((searchResult[1] - 1) >> 8) & 0xF));
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tempList.Add(add);
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add = (byte)((searchResult[1] - 1) & 0xFF);
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tempList.Add(add);
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position += searchResult[0];
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isCompressed |= (byte)(1 << (BlockSize - (i + 1)));
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}
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else if (searchResult[0] >= 0)
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tempList.Add(source[position++]);
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else
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break;
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}
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CompressedData.Add(isCompressed);
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CompressedData.AddRange(tempList);
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}
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while (CompressedData.Count % 4 != 0)
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CompressedData.Add(0);
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return CompressedData.ToArray();
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}
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public static byte[] LZ77_FastCompress(byte[] source)
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{
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int DataLen = 4;
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DataLen += source.Length;
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DataLen += (int)Math.Ceiling((double)source.Length / 8);
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byte[] dest = new byte[DataLen];
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dest[0] = 0;
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dest[1] = (byte)(source.Length & 0xFF);
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dest[2] = (byte)((source.Length >> 8) & 0xFF);
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dest[3] = (byte)((source.Length >> 16) & 0xFF);
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int FilePos = 4;
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int UntilNext = 0;
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for (int SrcPos = 0; SrcPos < source.Length; SrcPos++)
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{
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if (UntilNext == 0)
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{
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dest[FilePos] = 0;
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FilePos++;
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UntilNext = 8;
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}
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dest[FilePos] = source[SrcPos];
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FilePos++;
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UntilNext -= 1;
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}
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return dest;
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}
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public static byte[] LZ77_Decompress(byte[] source)
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{
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// This code converted from Elitemap
|
|
int DataLen;
|
|
DataLen = source[1] | (source[2] << 8) | (source[3] << 16);
|
|
byte[] dest = new byte[DataLen];
|
|
int i, j, xin, xout;
|
|
xin = 4;
|
|
xout = 0;
|
|
int length, offset, windowOffset, data;
|
|
byte d;
|
|
while (DataLen > 0)
|
|
{
|
|
d = source[xin++];
|
|
if (d != 0)
|
|
{
|
|
for (i = 0; i < 8; i++)
|
|
{
|
|
if ((d & 0x80) != 0)
|
|
{
|
|
data = ((source[xin] << 8) | source[xin + 1]);
|
|
xin += 2;
|
|
length = (data >> 12) + 3;
|
|
offset = data & 0xFFF;
|
|
windowOffset = xout - offset - 1;
|
|
for (j = 0; j < length; j++)
|
|
{
|
|
dest[xout++] = dest[windowOffset++];
|
|
DataLen--;
|
|
if (DataLen == 0)
|
|
{
|
|
return dest;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
dest[xout++] = source[xin++];
|
|
DataLen--;
|
|
if (DataLen == 0)
|
|
{
|
|
return dest;
|
|
}
|
|
}
|
|
d <<= 1;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for (i = 0; i < 8; i++)
|
|
{
|
|
dest[xout++] = source[xin++];
|
|
DataLen--;
|
|
if (DataLen == 0)
|
|
{
|
|
return dest;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return dest;
|
|
}
|
|
|
|
public static byte[] LZ77_DecompressWithHeader(byte[] source)
|
|
{
|
|
// This code converted from Elitemap
|
|
int DataLen;
|
|
DataLen = source[5] | (source[6] << 8) | (source[7] << 16);
|
|
byte[] dest = new byte[DataLen];
|
|
int i, j, xin, xout;
|
|
xin = 8;
|
|
xout = 0;
|
|
int length, offset, windowOffset, data;
|
|
byte d;
|
|
while (DataLen > 0)
|
|
{
|
|
d = source[xin++];
|
|
if (d != 0)
|
|
{
|
|
for (i = 0; i < 8; i++)
|
|
{
|
|
if ((d & 0x80) != 0)
|
|
{
|
|
data = ((source[xin] << 8) | source[xin + 1]);
|
|
xin += 2;
|
|
length = (data >> 12) + 3;
|
|
offset = data & 0xFFF;
|
|
windowOffset = xout - offset - 1;
|
|
for (j = 0; j < length; j++)
|
|
{
|
|
dest[xout++] = dest[windowOffset++];
|
|
DataLen--;
|
|
if (DataLen == 0)
|
|
{
|
|
return dest;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
dest[xout++] = source[xin++];
|
|
DataLen--;
|
|
if (DataLen == 0)
|
|
{
|
|
return dest;
|
|
}
|
|
}
|
|
d <<= 1;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for (i = 0; i < 8; i++)
|
|
{
|
|
dest[xout++] = source[xin++];
|
|
DataLen--;
|
|
if (DataLen == 0)
|
|
{
|
|
return dest;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return dest;
|
|
}
|
|
|
|
private static ushort[] CRC16Table = {
|
|
0x0000, 0xC0C1, 0xC181, 0x0140, 0xC301, 0x03C0, 0x0280, 0xC241,
|
|
0xC601, 0x06C0, 0x0780, 0xC741, 0x0500, 0xC5C1, 0xC481, 0x0440,
|
|
0xCC01, 0x0CC0, 0x0D80, 0xCD41, 0x0F00, 0xCFC1, 0xCE81, 0x0E40,
|
|
0x0A00, 0xCAC1, 0xCB81, 0x0B40, 0xC901, 0x09C0, 0x0880, 0xC841,
|
|
0xD801, 0x18C0, 0x1980, 0xD941, 0x1B00, 0xDBC1, 0xDA81, 0x1A40,
|
|
0x1E00, 0xDEC1, 0xDF81, 0x1F40, 0xDD01, 0x1DC0, 0x1C80, 0xDC41,
|
|
0x1400, 0xD4C1, 0xD581, 0x1540, 0xD701, 0x17C0, 0x1680, 0xD641,
|
|
0xD201, 0x12C0, 0x1380, 0xD341, 0x1100, 0xD1C1, 0xD081, 0x1040,
|
|
0xF001, 0x30C0, 0x3180, 0xF141, 0x3300, 0xF3C1, 0xF281, 0x3240,
|
|
0x3600, 0xF6C1, 0xF781, 0x3740, 0xF501, 0x35C0, 0x3480, 0xF441,
|
|
0x3C00, 0xFCC1, 0xFD81, 0x3D40, 0xFF01, 0x3FC0, 0x3E80, 0xFE41,
|
|
0xFA01, 0x3AC0, 0x3B80, 0xFB41, 0x3900, 0xF9C1, 0xF881, 0x3840,
|
|
0x2800, 0xE8C1, 0xE981, 0x2940, 0xEB01, 0x2BC0, 0x2A80, 0xEA41,
|
|
0xEE01, 0x2EC0, 0x2F80, 0xEF41, 0x2D00, 0xEDC1, 0xEC81, 0x2C40,
|
|
0xE401, 0x24C0, 0x2580, 0xE541, 0x2700, 0xE7C1, 0xE681, 0x2640,
|
|
0x2200, 0xE2C1, 0xE381, 0x2340, 0xE101, 0x21C0, 0x2080, 0xE041,
|
|
0xA001, 0x60C0, 0x6180, 0xA141, 0x6300, 0xA3C1, 0xA281, 0x6240,
|
|
0x6600, 0xA6C1, 0xA781, 0x6740, 0xA501, 0x65C0, 0x6480, 0xA441,
|
|
0x6C00, 0xACC1, 0xAD81, 0x6D40, 0xAF01, 0x6FC0, 0x6E80, 0xAE41,
|
|
0xAA01, 0x6AC0, 0x6B80, 0xAB41, 0x6900, 0xA9C1, 0xA881, 0x6840,
|
|
0x7800, 0xB8C1, 0xB981, 0x7940, 0xBB01, 0x7BC0, 0x7A80, 0xBA41,
|
|
0xBE01, 0x7EC0, 0x7F80, 0xBF41, 0x7D00, 0xBDC1, 0xBC81, 0x7C40,
|
|
0xB401, 0x74C0, 0x7580, 0xB541, 0x7700, 0xB7C1, 0xB681, 0x7640,
|
|
0x7200, 0xB2C1, 0xB381, 0x7340, 0xB101, 0x71C0, 0x7080, 0xB041,
|
|
0x5000, 0x90C1, 0x9181, 0x5140, 0x9301, 0x53C0, 0x5280, 0x9241,
|
|
0x9601, 0x56C0, 0x5780, 0x9741, 0x5500, 0x95C1, 0x9481, 0x5440,
|
|
0x9C01, 0x5CC0, 0x5D80, 0x9D41, 0x5F00, 0x9FC1, 0x9E81, 0x5E40,
|
|
0x5A00, 0x9AC1, 0x9B81, 0x5B40, 0x9901, 0x59C0, 0x5880, 0x9841,
|
|
0x8801, 0x48C0, 0x4980, 0x8941, 0x4B00, 0x8BC1, 0x8A81, 0x4A40,
|
|
0x4E00, 0x8EC1, 0x8F81, 0x4F40, 0x8D01, 0x4DC0, 0x4C80, 0x8C41,
|
|
0x4400, 0x84C1, 0x8581, 0x4540, 0x8701, 0x47C0, 0x4680, 0x8641,
|
|
0x8201, 0x42C0, 0x4380, 0x8341, 0x4100, 0x81C1, 0x8081, 0x4040
|
|
};
|
|
|
|
// from ndstool
|
|
public static ushort CalcCRC16(byte[] data)
|
|
{
|
|
ushort crc = 0xFFFF;
|
|
|
|
for (int i = 0; i < data.Length; i++)
|
|
{
|
|
crc = (ushort)((crc >> 8) ^ CRC16Table[(crc ^ data[i]) & 0xFF]);
|
|
}
|
|
|
|
return crc;
|
|
}
|
|
}
|
|
}
|